copy on the fly

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  • usmortys
    Junior Member
    Junior Member
    • Apr 2004
    • 28

    copy on the fly

    I have been told that using copy on the fly is no good when your reader and writer are on the same IDE cable, is this true.
  • setarip
    Retired
    • Dec 2001
    • 24955

    #2
    It is strongly NOT recommended...

    Comment

    • ignignot
      Super Member
      Super Member
      • Mar 2004
      • 281

      #3
      If you're recording at 4x or less I wouldn't imagine it would be a problem however. The concept is the fact that the IDE bus cannot simeltaneously send write and read data. Essentially this splits the data bandwidth to 1/2 of what an individual read or write rate would be. So if your bus is capable of reading/writing at 16x, you should probably be able to copy on the fly at a max of 8x, but this is probably risky.

      I do on-the-fly copies at 2.4x (the max my cheap media will allow) on the same bus, and have yet to encounter a problem. However, I would suggest proceeding with with caution.

      Comment

      • usmortys
        Junior Member
        Junior Member
        • Apr 2004
        • 28

        #4
        I have 2 ide cables 1 for my hard drive and 1 for dvd rom drive & dvd rw drive. What setup would be best for me?

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        • ignignot
          Super Member
          Super Member
          • Mar 2004
          • 281

          #5
          I would set DVD-ROM drive as a slave on your primary bus (with the HD), and your recorder as a single drive on your secondary bus.

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          • usmortys
            Junior Member
            Junior Member
            • Apr 2004
            • 28

            #6
            will this enable me to copy on fly succesfully?

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            • ignignot
              Super Member
              Super Member
              • Mar 2004
              • 281

              #7
              It should theoretically decrease your chances of failure, especially if you're copying at higer speeds.

              Comment

              • usmortys
                Junior Member
                Junior Member
                • Apr 2004
                • 28

                #8
                you say to set dvd rom as slave on same cable as hd, do i set hd as master? and also do i set my dvd-rw as master?

                Comment

                • sfheath
                  Lord of Digital Video
                  Lord of Digital Video
                  • Sep 2003
                  • 2399

                  #9
                  Your HD must be Primary Master to boot your Operating System.
                  DVD writers are usually best as masters, hence the suggestion you have it as Secondary Master being fed a separate data cable to your reader.
                  This isn't a learning curve ... this is b****y mountaineering!

                  Comment

                  • ignignot
                    Super Member
                    Super Member
                    • Mar 2004
                    • 281

                    #10
                    Originally posted by usmortys
                    you say to set dvd rom as slave on same cable as hd, do i set hd as master? and also do i set my dvd-rw as master?
                    This is one of the few things that still requires the use of jumpers nowadays. Look on the back of your drives, and you will see a small (usually black) piece of plastic that goes over some pins. Somewhere on the drive it should show you where to move it to to achieve the appropriate configuration.

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